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http://idr.iitp.ac.in:8080/jspui/handle/123456789/631

Full metadata record

DC Field

Value

Language

dc.contributor.author

Behera, R. K.

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dc.contributor.author

Gao, W.

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dc.date.accessioned

2017-06-23T15:20:44Z

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dc.date.available

2017-06-23T15:20:44Z

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dc.date.issued

2010-04

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dc.identifier.uri

https://doi.org/10.1109/ICPWS.2009.5442737

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dc.identifier.uri

http://idr.iitp.ac.in:8080/jspui/handle/123456789/631

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dc.description.abstract

In this paper, analytical study on the impact of
voltage sag in the internal dynamics of a grid connected Doubly
Fed Induction Generator (DFIG) system is presented. A common
dc-link of the rotor side converter (RSC) and grid side converter
(GSC) supported static compensator (STATCOM) is proposed
for the voltage ride through capability. The proposed system is
connected to a small transmission network, where many types’
loads are connected. It is observed that the voltage sag at the
PCC of the grid affects the internal dynamics of DFIG such as
flux demagnetization of the stator flux, high transients in the
developed electromagnetic torque, and abnormal rotor current
spikes. This affects the performance of the DFIG during transient
conditions and this may leads to the malfunctioning of the power
electronics converters. This topology will also support the
reactive power requirement of the grid without affecting the
performance of the dc-link voltage. Hence, this structure is useful
in improving the transient stability, power oscillation damping,
voltage stability and increase in power transfer limit of the
connected power system. The proposed DFIG system along with
its controller is modeled and simulated in MATLAB using
Simulink and power system block-set toolboxes. The simulation
results are presented to validate the performance of the proposed
system.

en_US

dc.language.iso

en

en_US

dc.publisher

IEEE Xplore

en_US

dc.subject

Doubly Fed Induction Generator

en_US

dc.subject

Grid Connected Voltage Source Converter

en_US

dc.subject

STATCOM

en_US

dc.subject

Voltage Ride-Through Control

en_US

dc.title

Low Voltage Ride-through and Performance Improvement of a Grid Connected DFIG System